A relay timing fault diagnosis system for switch equipment

Abstract

The present invention relates to a relay sequence fault diagnosis system for switch machine equipment, comprising an MSS station machine, an MSS cabinet, a turnout action collector and a relay node information collector, wherein the MSS station machine is connected to the turnout action collector and the relay node information collector respectively through the MSS cabinet; the turnout action collector collects the turnout action information and sends it to the MSS station machine through the MSS cabinet, and the relay node information collector collects the relay node change information in the switch machine equipment and sends it to the MSS station machine through the MSS cabinet, and the MSS station machine analyzes whether the relay has a fault, and if so, displays the fault range or fault point through a dynamic circuit diagram. Compared with the prior art, the present invention has the advantages of improving the emergency handling capability when the switch machine equipment fails, etc.

Description

Technical Field

[0001] The invention relates to a detection technology for switch equipment in urban rail transit, and in particular to a relay timing fault diagnosis system for switch equipment. Background Art

[0002] The turnout switch is a device that allows the train to switch from one set of tracks to another set of tracks. At present, the turnout switch equipment with the highest failure rate in the operation of urban rail transit lines has attracted the attention of maintenance companies, because its failure and disrepair directly affect the train punctuality and the occurrence of safety accidents. With the rapid development of urban rail transit, the operation frequency is becoming more and more intensive, which puts higher requirements on the reliability and maintainability of subway signal equipment. Summary of the invention

[0003] The purpose of the present invention is to provide a switch machine equipment relay timing fault diagnosis system in order to overcome the defects of the above-mentioned prior art.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A switch machine equipment relay timing fault diagnosis system comprises an MSS station machine, an MSS cabinet, a switch action collector and a relay node information collector, wherein the MSS station machine is connected to the switch action collector and the relay node information collector respectively through the MSS cabinet;

[0006] The switch action collector collects the switch action information and sends it to the MSS station through the MSS cabinet. At the same time, the relay node information collector collects the relay node change information in the switch machine equipment and sends it to the MSS station through the MSS cabinet. The MSS station analyzes whether there is a fault in the relay. If so, the fault range or fault point is displayed through a dynamic circuit diagram.

[0007] Preferably, the specific analysis process of the MSS station is as follows:

[0008] Step (1) Fault location

[0009] The turnout action collector collects the turnout action time, action power, action curve, and indication voltage. At the same time, the relay node information collector collects the information of each relay node in each stage of the turnout control circuit, action circuit, and protection circuit, so as to analyze the fault range or fault point.

[0010] Step (2) Dynamic circuit diagram display

[0011] According to the fault range or fault point located in step (1), the fault range or fault point is highlighted with a red line in the system dynamic circuit diagram interface. At the same time, the dynamic circuit diagram supports the playback function of the time period before and after the fault, and the changes in the status of each acquisition point when the fault occurs can be reproduced according to the playback content;

[0012] Step (3) Display of the key relay change timing diagram

[0013] It can realize accurate monitoring of the action sequence of key turnout relays, and can check the turnout operation command, relay action sequence, and turnout curve generation process through the timing diagram.

[0014] Preferably, the fault location includes relay 1DQJ excitation circuit fault location, relay 1DQJF excitation circuit fault location, relay 2DQJ excitation circuit fault location, relay BHJ excitation circuit fault location, 1DQJ self-closing circuit fault location, common circuit relay ZBHJ excitation circuit fault location, and relay QDJ circuit fault location.

[0015] Preferably, the relay 1DQJ excitation circuit fault location is specifically as follows:

[0016] Check the status of DCDQJ, DCJ or FCJ in the turnout sequence. If the relay falls, check whether there is any fault in the related coils or contacts in the circuit of the DCDQJ, DCJ or FCJ relay according to the turnout drive circuit diagram and use a multimeter; if the relays are all normally sucked up, the interlocking drive circuit fault can be ruled out. Then, according to the 1DQJ excitation circuit, use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to test the DCDQJ21-22.; 1DQJ3-4.FCJ21-22.; 2DQJ141-142 or DCDQJ21-22.; 1DQJ3-4.; DCJ21-22.; 2DQJ141-143 contacts in turn to find the cause of the fault.

[0017] Preferably, the relay 1DQJF excitation circuit fault location is specifically as follows:

[0018] The cause of the fault can be determined by using the method of borrowing the positive to check the negative or the method of borrowing the negative to check the positive to check the 1DQJF1-4; 1DQJ31-32 contacts and related terminals in the 1DQJF excitation circuit. First check 1DQJ31-32. If 1DQJ is faulty, replace the relay first. If the fault is restored, it can be determined that the 1DQJ31-32 contacts are faulty. If the fault is not restored, the cause should be found step by step according to the 1DQJF excitation circuit.

[0019] Preferably, the relay 2DQJ excitation circuit fault location is specifically as follows:

[0020] Excluding the common part of the 1DQJ excitation circuit and the 2DQJ polarity transfer circuit, the other parts of the circuit can use the method of borrowing the positive to find the negative or borrowing the negative to find the positive to check the 1DQJF41-42, 2DQJ2-1 contacts or 2DQJ3-4, 1DQJF31-32 and related terminals in the 2DQJ polarity transfer circuit to determine the cause of the fault. 2DQJ can be checked first. If it is determined to be a 2DQJ fault, replace the relay first and operate it two times back and forth. If the fault is restored, it can be determined that the 2DQJ2-1 contact is faulty. If the fault is not restored, the cause should be found step by step according to the 2DQJ polarity transfer circuit.

[0021] Preferably, the relay BHJ excitation circuit fault location is specifically as follows:

[0022] If this type of fault occurs, the DBQ1-2 and BHJ1-4 coils in the BHJ excitation circuit can be tested and checked to determine the cause of the fault using the positive method to check the negative or the negative method to check the positive.

[0023] Preferably, the 1DQJ self-closing circuit fault location is specifically as follows:

[0024] When judging a fault, you should first determine the QDJ status to rule out the possibility of a QDJ excitation circuit fault. If 1DQJ31-32 fails, it will directly affect the excitation circuit of 1DQJF. The fault phenomenon is obviously inconsistent and can be ruled out. Therefore, if this type of fault phenomenon occurs, you can use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to test QDJ11-12; BHJ31-32; 1DQJ1-2 in the 1DQJ self-closing circuit to determine the cause of the fault.

[0025] Preferably, the common circuit relay ZBHJ excitation circuit fault location is specifically as follows:

[0026] Use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to check each relay contact and terminal in the ZBHJ excitation circuit.

[0027] Preferably, the relay QDJ circuit fault location is specifically as follows:

[0028] Check the status of QDJ. If the QDJ falls under normal conditions, it can be determined that the excitation circuit of the QDJ under normal conditions is faulty. If the QDJ falls and then rises during the turnout switching process, it can be confirmed that the discharge circuit of the RC box is faulty.

[0029] Compared with the prior art, the present invention has the following advantages:

[0030] 1. According to the monitoring of the relay action sequence, when a certain relay does not operate normally, the fault is diagnosed and located, and an alarm is generated;

[0031] 2. Combined with other electrical characteristic parameters collected by the MSS system, such as turnout indication voltage, turnout action power curve, and current curve, the early warning and fault diagnosis functions of turnout faults can be realized. For example, when the turnout is single-operated, 1DQJ is not excited, 1DQJ does not fall for a long time, 2DQJ does not turn the pole, turnout loss indication: fixed (reverse) indication circuit failure, etc.

[0032] 3. Realize the electronic drawings of key signal equipment, realize the function of dynamically highlighting the equipment fault location in red on the electronic drawings of the equipment, and guide maintenance personnel to quickly locate and handle the fault. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the present invention;

[0034] Figure 2 A schematic diagram for analyzing a fault range or a fault point in the present invention;

[0035] Figure 3 It is a dynamic circuit diagram of the system of the present invention;

[0036] Figure 4 This is the changing timing diagram of the key relays of the present invention. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0038] like Figure 1 As shown, the switch machine equipment relay timing fault diagnosis system includes an MSS station machine, an MSS cabinet, a turnout action collector and a relay node information collector, wherein the MSS station machine is connected to the turnout action collector and the relay node information collector respectively through the MSS cabinet;

[0039] The switch action collector collects the switch action information and sends it to the MSS station through the MSS cabinet. At the same time, the relay node information collector collects the relay node change information in the switch machine equipment and sends it to the MSS station through the MSS cabinet. The MSS station analyzes whether there is a fault in the relay. If so, the fault range or fault point is displayed through a dynamic circuit diagram.

[0040] The specific analysis process of the MSS station is as follows:

[0041] (1) Fault location

[0042] By increasing the number of collection points, intelligent monitoring can analyze the fault range or fault point according to the various relay contacts in each stage of the turnout control circuit, action circuit, and protection circuit based on the collection of turnout action time, action power, action curve, and voltage. Figure 2 shown.

[0043] The fault point analysis logic is as follows:

[0044] 1) 1DQJ excitation circuit failure

[0045] Analysis logic: Check the status of DCDQJ and DCJ (FCJ) in the turnout sequence. If the relay falls, use a multimeter and other related instruments to check whether there is any fault in the related coils or contacts in the circuit of the DCDQJ and DCJ (FCJ) relays according to the turnout drive circuit diagram; if the relays are all normally sucked up, the interlocking drive circuit fault can be ruled out. Then, according to the 1DQJ excitation circuit, use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to test the DCDQJ21-22.; 1DQJ3-4.FCJ21-22.; 2DQJ141-142 (fixed-reverse rotation) or DCDQJ21-22.; 1DQJ3-4.; DCJ21-22.; 2DQJ141-143 (reverse-position rotation) contacts in turn to find the cause of the fault.

[0046] 2) 1DQJF excitation circuit failure

[0047] Analysis logic: The method of borrowing positive to check negative or borrowing negative to check positive can be used to check the 1DQJF1-4.; 1DQJ31-32 contacts and related terminals in the 1DQJF excitation circuit to determine the cause of the fault. First check 1DQJ31-32. If 1DQJ is faulty, it is recommended to replace the relay first. If the fault is restored, it can be basically determined that the 1DQJ31-32 contacts are faulty. If the fault is not restored, the cause should be gradually found according to the 1DQJF excitation circuit.

[0048] 3) 2DQJ excitation circuit failure

[0049] Analysis logic: Excluding the common parts of the 1DQJ excitation circuit and the 2DQJ polarity conversion circuit (DCJ or FCJ and related contacts), the other parts of the circuit can use the method of borrowing positive to check negative or borrowing negative to check positive to check the 1DQJF41-42 (fixed-reverse rotation), 2DQJ2-1 contacts (fixed-reverse rotation) or 2DQJ3-4 (reverse-fixed rotation), 1DQJF31-32 (reverse-fixed rotation) and related terminals in the 2DQJ polarity conversion circuit to determine the cause of the fault. If time is urgent, 2DQJ can be checked first. If it is determined to be a 2DQJ fault, it is recommended to replace the relay first and operate it back and forth twice. If the fault is restored, it can be basically determined that the 2DQJ2-1 contact is faulty. If the fault is not restored, the cause should be gradually found according to the 2DQJ polarity conversion circuit.

[0050] 4) BHJ excitation circuit failure

[0051] Analysis logic: If this type of fault occurs, the DBQ1-2 and BHJ1-4 coils in the BHJ excitation circuit can be tested and checked to determine the cause of the fault using the positive-to-negative or negative-to-positive method.

[0052] 5) 1DQJ self-closing circuit failure

[0053] Analysis logic: When judging the fault, the QDJ state should be determined first to exclude the possibility of QDJ excitation circuit fault, because if 1DQJ31-32 fails, it will directly affect the excitation circuit of 1DQJF. The fault phenomenon is obviously inconsistent and can be ruled out. Therefore, if this type of fault phenomenon occurs, the method of borrowing positive to check negative or borrowing negative to check positive can be used to test QDJ11-12; BHJ31-32; 1DQJ1-2 in the 1DQJ self-closing circuit to determine the cause of the fault.

[0054] 6) Common circuit ZBHJ excitation circuit fault

[0055] Analysis logic: Use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to check each relay contact and terminal in the ZBHJ excitation circuit.

[0056] 7) QDJ circuit failure

[0057] Analysis logic: Check the QDJ status. If the QDJ falls under normal conditions, it can be determined that the excitation circuit of the QDJ under normal conditions is faulty. If the QDJ falls and then rises during the turnout switching process, it can be confirmed that the discharge circuit of the RC box is faulty.

[0058] (2) Dynamic circuit diagram display

[0059] According to the fault range or fault point located in (1), the fault range is highlighted with a red line in the system dynamic circuit diagram interface. At the same time, the dynamic circuit diagram supports the playback function of the time period before and after the fault, and can reproduce the changes in the status of each acquisition point when the fault occurs according to the playback content, such as Figure 3 shown.

[0060] (3) Display of the key relay change timing diagram

[0061] It can realize accurate monitoring of the key relay action sequence of the turnout, and can check the turnout operation command, relay action sequence and turnout curve generation process through the timing diagram, such as Figure 4 shown.

[0062] The main innovations of the present invention are as follows:

[0063] 1. Invent a method for collecting and transmitting the relay status of key signal equipment to enrich the basic information for auxiliary fault analysis and diagnosis, including the following:

[0064] 2. Study the intuitive display method of relay action sequence and realize the sequence display method based on the combination of static and dynamic;

[0065] 3. Based on the collected relay status timing information and combined with other monitoring and collection information, study the key equipment fault warning and diagnosis methods;

[0066] 4. Combine the drive and recovery relay information of the interlocking system to realize the consistency check and analysis function of drive and recovery;

[0067] 5. Based on relay timing monitoring, study the confirmation method of the maintenance effect of key equipment such as auxiliary turnouts, and realize the maintenance confirmation function;

[0068] 6. Combine the relay status collection information and analog quantity collection information such as relay coil current, circuit and other electrical characteristic parameters to explore equipment quality evaluation methods;

[0069] 7. Develop an electronic drawing system for key signal equipment to realize the function of dynamically highlighting the location of equipment faults in red on the electronic drawings of the equipment, and guide maintenance personnel to quickly locate and handle faults.

[0070] The present invention can automatically detect abnormal timing of circuit action of switch machine equipment according to the dynamic change information of relays monitored in real time, and realize the consistency check and analysis function of drive and recovery by combining the information of drive and recovery relays of interlocking system. When equipment fails or there is a hidden danger of failure, fault prompt or early warning prompt is given in time. At the same time, maintenance suggestions, fault causes and fault handling solutions are given.

[0071] The present invention aims to send back the operation of the integrated operation and maintenance system, guide the on-site disposal of potential safety hazards of switch equipment, reduce equipment failures, diagnose on-site signal equipment failures, provide the fault range and processing flow, and shorten the failure time. Improve the emergency handling capabilities of switch equipment failures.

[0072] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A switch machine equipment relay timing fault diagnosis system, characterized in that: It includes an MSS station machine, an MSS cabinet, a turnout action collector and a relay node information collector, wherein the MSS station machine is connected to the turnout action collector and the relay node information collector respectively through the MSS cabinet; The switch action collector collects the switch action information and sends it to the MSS station through the MSS cabinet. At the same time, the relay node information collector collects the relay node change information in the switch equipment and sends it to the MSS station through the MSS cabinet. The MSS station analyzes whether there is a fault in the relay. If so, the fault range or fault point is displayed through a dynamic circuit diagram. The specific analysis process of the MSS station is as follows: Step (1) Fault location The turnout action collector collects the turnout action time, action power, action curve, and indication voltage. At the same time, the relay node information collector collects the information of each relay node in each stage of the turnout control circuit, action circuit, and protection circuit, so as to analyze the fault range or fault point. Step (2) Dynamic circuit diagram display According to the fault range or fault point located in step (1), the fault range or fault point is highlighted with a red line in the system dynamic circuit diagram interface. At the same time, the dynamic circuit diagram supports the playback function of the time period before and after the fault, and the changes in the status of each acquisition point when the fault occurs can be reproduced according to the playback content; Step (3) Display of the key relay change timing diagram It can realize accurate monitoring of the action sequence of key turnout relays, and can check the turnout operation command, relay action sequence, and turnout curve generation process through the timing diagram; The fault location includes relay 1DQJ excitation circuit fault location, relay 1DQJF excitation circuit fault location, relay 2DQJ excitation circuit fault location, relay BHJ excitation circuit fault location, 1DQJ self-closing circuit fault location, common circuit relay ZBHJ excitation circuit fault location, relay QDJ circuit fault location; The fault location of the relay 1DQJ excitation circuit is specifically as follows: Check the status of DCDQJ, DCJ or FCJ in the turnout sequence. If the relay falls, check whether there is any fault in the relevant coils or related contacts in the DCDQJ, DCJ or FCJ relay according to the turnout drive circuit diagram and use a multimeter; if the relays are normally sucked up, the interlocking drive circuit fault can be ruled out. Then, according to the 1DQJ excitation circuit, use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to test the contacts of DCDQJ21-22; 1DQJ3-4 FCJ21-22; 2DQJ141-142 or DCDQJ21-22; 1DQJ3-4; DCJ21-22; 2DQJ141-143 in turn to find the cause of the fault; The fault location of the relay 1DQJF excitation circuit is specifically as follows: The method of borrowing positive to check negative or borrowing negative to check positive can be used to check the 1DQJF1-4; 1DQJ31-32 contacts and related terminals in the 1DQJF excitation circuit to determine the cause of the fault. First check 1DQJ31-32. If 1DQJ is faulty, replace the relay first. If the fault is restored, it can be determined that the 1DQJ31-32 contacts are faulty. If the fault is not restored, the cause should be gradually found according to the 1DQJF excitation circuit. The fault location of the relay 2DQJ excitation circuit is specifically as follows: Excluding the common part of 1DQJ excitation circuit and 2DQJ polarity switching circuit, the other parts of the circuit can use the method of borrowing positive to check negative or borrowing negative to check positive to check 1DQJF41-42, 2DQJ2-1 contacts or 2DQJ3-4, 1DQJF31-32 and related terminals in the 2DQJ polarity switching circuit to determine the cause of the fault. 2DQJ can be checked first. If it is determined to be a 2DQJ fault, replace the relay first and operate it two times back and forth. If the fault is restored, it can be determined that the 2DQJ2-1 contact is faulty. If the fault is not restored, the cause should be gradually found according to the 2DQJ polarity switching circuit. The relay BHJ excitation circuit fault location is specifically as follows: If this type of fault occurs, the DBQ1-2 and BHJ1-4 coils in the BHJ excitation circuit can be tested and checked to determine the cause of the fault by using the positive to check the negative or the negative to check the positive method; The 1DQJ self-closing circuit fault location is specifically as follows: When judging a fault, you should first determine the QDJ status to rule out the possibility of a QDJ excitation circuit fault. If 1DQJ31-32 fails, it will directly affect the excitation circuit of 1DQJF. The fault phenomenon is obviously inconsistent and can be ruled out. Therefore, if this type of fault phenomenon occurs, you can use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to test QDJ11-12; BHJ31-32; 1DQJ1-2 in the 1DQJ self-closing circuit to determine the cause of the fault.

2. A switch machine equipment relay timing fault diagnosis system according to claim 1, characterized in that: The common circuit relay ZBHJ excitation circuit fault location is specifically as follows: Use the method of borrowing the positive to check the negative or borrowing the negative to check the positive to check each relay contact and terminal in the ZBHJ excitation circuit.

3. A switch machine equipment relay timing fault diagnosis system according to claim 1, characterized in that: The relay QDJ circuit fault location is specifically as follows: Check the status of QDJ. If the QDJ falls under normal conditions, it can be determined that the excitation circuit of the QDJ under normal conditions is faulty. If the QDJ falls and then rises during the turnout switching process, it can be confirmed that the discharge circuit of the RC box is faulty.

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